WO2009022463A1 - オーディオ装置 - Google Patents

オーディオ装置 Download PDF

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Publication number
WO2009022463A1
WO2009022463A1 PCT/JP2008/002193 JP2008002193W WO2009022463A1 WO 2009022463 A1 WO2009022463 A1 WO 2009022463A1 JP 2008002193 W JP2008002193 W JP 2008002193W WO 2009022463 A1 WO2009022463 A1 WO 2009022463A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
extracted
inverse
adds
phase
Prior art date
Application number
PCT/JP2008/002193
Other languages
English (en)
French (fr)
Inventor
Masaru Kimura
Bunkei Matsuoka
Original Assignee
Mitsubishi Electric Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corporation filed Critical Mitsubishi Electric Corporation
Priority to JP2009528029A priority Critical patent/JP5025731B2/ja
Priority to EP08790441.3A priority patent/EP2178316B1/en
Priority to US12/663,684 priority patent/US8306243B2/en
Publication of WO2009022463A1 publication Critical patent/WO2009022463A1/ja

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

　逆相成分抽出部２により抽出された逆相成分信号Ｓに対して、（Ｈd＋Ｈx）／（Ｈd－Ｈx）の伝達特性を付与する信号加工処理部３を設け、加算器４が信号加工処理部３により伝達特性が付与された逆相成分信号Ｓの位相反転信号と同相成分抽出部１により抽出された同相成分信号Ｍを加算し、加算器５が信号加工処理部３により伝達特性が付与された逆相成分信号Ｓと同相成分抽出部１により抽出された同相成分信号Ｍを加算する。
PCT/JP2008/002193 2007-08-13 2008-08-11 オーディオ装置 WO2009022463A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009528029A JP5025731B2 (ja) 2007-08-13 2008-08-11 オーディオ装置
EP08790441.3A EP2178316B1 (en) 2007-08-13 2008-08-11 Audio device
US12/663,684 US8306243B2 (en) 2007-08-13 2008-08-11 Audio device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007211018 2007-08-13
JP2007-211018 2007-08-13

Publications (1)

Publication Number Publication Date
WO2009022463A1 true WO2009022463A1 (ja) 2009-02-19

Family

ID=40350521

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/002193 WO2009022463A1 (ja) 2007-08-13 2008-08-11 オーディオ装置

Country Status (4)

Country Link
US (1) US8306243B2 (ja)
EP (1) EP2178316B1 (ja)
JP (2) JP5025731B2 (ja)
WO (1) WO2009022463A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013247477A (ja) * 2012-05-24 2013-12-09 Canon Inc 音響再生装置、音響再生方法
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
JP2019508978A (ja) * 2016-01-18 2019-03-28 ブームクラウド ３６０ インコーポレイテッド オーディオ再生のためのサブバンド空間クロストークキャンセル
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing

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WO2010140306A1 (ja) * 2009-06-01 2010-12-09 三菱電機株式会社 信号処理装置
JP5720158B2 (ja) * 2010-09-22 2015-05-20 ヤマハ株式会社 バイノーラル録音された音信号の再生方法および再生装置
JP6252426B2 (ja) * 2014-10-08 2017-12-27 三菱電機株式会社 オーディオ信号処理装置
CN108260040B (zh) * 2016-12-29 2020-07-14 瑞昱半导体股份有限公司 耳机放大器电路及其操作方法，以及耳机装置
KR20200101968A (ko) * 2018-01-04 2020-08-28 트라이젠스 세미컨덕터 가부시키가이샤 스피커 구동 장치, 스피커 장치 및 프로그램
US11373662B2 (en) 2020-11-03 2022-06-28 Bose Corporation Audio system height channel up-mixing

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JP2006094275A (ja) * 2004-09-27 2006-04-06 Nintendo Co Ltd ステレオ音拡大処理プログラムおよびステレオ音拡大装置
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JP5423265B2 (ja) * 2009-09-11 2014-02-19 ヤマハ株式会社 音響処理装置
TWI540912B (zh) * 2010-05-25 2016-07-01 晨星半導體股份有限公司 音訊處理裝置及音訊處理方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0746700A (ja) * 1993-07-30 1995-02-14 Victor Co Of Japan Ltd 信号処理装置及びこれを使用した音場処理装置
JP2000050399A (ja) * 1998-07-31 2000-02-18 Onkyo Corp 音響信号処理回路および方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013247477A (ja) * 2012-05-24 2013-12-09 Canon Inc 音響再生装置、音響再生方法
US9392367B2 (en) 2012-05-24 2016-07-12 Canon Kabushiki Kaisha Sound reproduction apparatus and sound reproduction method
US10225657B2 (en) 2016-01-18 2019-03-05 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reproduction
JP2019508978A (ja) * 2016-01-18 2019-03-28 ブームクラウド ３６０ インコーポレイテッド オーディオ再生のためのサブバンド空間クロストークキャンセル
US10721564B2 (en) 2016-01-18 2020-07-21 Boomcloud 360, Inc. Subband spatial and crosstalk cancellation for audio reporoduction
US10764704B2 (en) 2018-03-22 2020-09-01 Boomcloud 360, Inc. Multi-channel subband spatial processing for loudspeakers
US10841728B1 (en) 2019-10-10 2020-11-17 Boomcloud 360, Inc. Multi-channel crosstalk processing
US11284213B2 (en) 2019-10-10 2022-03-22 Boomcloud 360 Inc. Multi-channel crosstalk processing

Also Published As

Publication number Publication date
EP2178316A4 (en) 2012-04-04
JP2012055006A (ja) 2012-03-15
US8306243B2 (en) 2012-11-06
EP2178316A1 (en) 2010-04-21
JP5025731B2 (ja) 2012-09-12
EP2178316B1 (en) 2015-09-16
US20100172505A1 (en) 2010-07-08
JPWO2009022463A1 (ja) 2010-11-11

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